La Joux-Perret G101
Factory specs
- Caliber
- G101
- Made in
- Switzerland
- Frequency
- 28,800 bph (4 Hz)
- Power reserve
- 68 h
- Jewels
- 24
- Hacking
- Yes
- Hand winding
- Yes
- Accuracy
- —
- Diameter
- 25.6 mm
- Height
- 4.45 mm
- Functions
- Hours, Minutes, Seconds
- Same family
- La Joux-Perret G100, La Joux-Perret G110, La Joux-Perret G121
Factory grades
| Grade | Accuracy | Notes |
|---|---|---|
| Standard | -12 / +12 s/day | Tested in 3 positions; average ±12 s/day, max. deviation 30 s/day (per Caliber Corner, citing MLJP) |
| Soigné | -7 / +7 s/day | Tested in 4 positions; average ±7 s/day, max. deviation 20 s/day (per Caliber Corner, citing MLJP) |
The no-date version of the La Joux-Perret G100 (see la-joux-perret-g100), with the calendar removed entirely rather than hidden, so there is no phantom date position when setting the time. MLJP product page ("Heure, minute, seconde, automatique, sans date"): Ø25.6 × 4.45mm, encasing Ø26mm, dimensionally compatible with the ETA 2824 and SW200, 4 Hz, stop-second, 68h power reserve, unidirectional automatic winding, 24 jewels. Hand winding and KIF shock protection per Caliber Corner (and the G100 file); Caliber Corner describes the architecture as a Swiss refinement of the Miyota 9039 (both Citizen group). MLJP does not publish grade accuracy on the product page; the grades above are from Caliber Corner.
